Mark SullivanSenior Editor, PCWorld

Mark has been writing about networks - social and wireless - since 2005. Independent and outgoing, he enjoys travelling, wine, and skiing. His favorite book is "Atlas Shrugged" by Ayn Rand.

Rexly Puts All Your Mobile Music in One App

The app was one of the finalists at a start-up smackdown for music apps here at South by Southwest.

Americans Elect Wins SXSW People's Choice Award

The independent election site will let people elect a presidential candidate who will appear on the ballot in November.

The DasKeyboard Brings Back the Feel of an IBM Selectric

The retro peripheral from Metadot is a real throwback but may actually help some people type faster.

eBay Has Big Plans for New ‘Watch with eBay’ App

You can buy products about shows now, but eBay wants you to be able to buy products that appear in shows.

SXSW Cool App: Zamp Helps You Make Sense of Air Travel

This app lets you track your flights, get real-time info at the airport, and even reach out to other travelers.

SXSW Cool App: AgLocal Lets You Buy Meat From Local Growers

This start-up plans to connect carnivores with local ranchers.

Hot Apps and Web Services of SXSW

The best apps we've seen at South by Southwest Interactive help connect you (safely and securely) to the world and people around you.

SXSW Cool App: Radically Simplifies Mobile VoIP

This app out-shined all of the others at a start-up panel here, and is attracting the attention of venture capital firms.

SXSW 2012: Browser Firm Opera Talks HTML5, Successes, and Challenges

Opera, and other browser makers, face multimedia challenges as HTML5 becomes a reality on mobile devices and desktops.


SXSW and the Rise of the Cool Geek

"Geek Spring Break" has quickly become an influential and cool showcase for new tech companies and for the industry as a whole.

SXSW: Is Browser Tracking and Data Harvesting Good or Bad?

Web companies will use my personal data to target more relevant ads to me. That's good, right?

SXSW: Privacy Concerns Grow Over Location-Aware Apps

Web companies already have a lot of information about us, and they’re now collecting location information. Are we OK with that?

SXSW Preview: The Year of 'Ambient Social' Apps?

The hot apps at Austin's increasingly important tech conference may be those that detect when your friends (and would-be pals) are in the area, and help you get together somewhere.

What Happens When You Get ‘Throttled’?

When your wireless company applies the choke hold, it doesn’t feel good. We intentionally exhausted our T-Mobile monthly service allowance and then looked at the download speeds that the carrier gave us afterward.